How to Check property of CheckBox Field in GridView within a Master Page?

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How to Check property of CheckBox Field in GridView within a Master Page??

Design(Master.master):

ASP.NET

<%@ Master Language="C#" AutoEventWireup="true" CodeFile="MasterPage.master.cs" Inherits="MasterPage" %>
<html xmlns="http://www.w3.org/1999/xhtml">
<pre lang="xml"><head runat="server">
<title>Untitled Page</title>
<asp:ContentPlaceHolder id="head" runat="server">
</asp:ContentPlaceHolder>
<style type="text/css">
.style1
{
width: 100%;
}
</style>
<body>
<form id="form1" runat="server">
<div>

<asp:ContentPlaceHolder id="ContentPlaceHolder1" runat="server">
</asp:ContentPlaceHolder>

XML

<asp:Panel ID="Panel1" runat="server">
<asp:GridView ID="GridView1" runat="server"
AutoGenerateColumns="False">
<Columns>
<asp:TemplateField HeaderText="Operation">
<ItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField HeaderText="Day">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" Text='<%#Eval("DayName") %>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
</Columns>
</asp:GridView>
<br />
<asp:Button ID="Button9" runat="server" onclick="Button9_Click" Text="Button" />
</asp:Panel>

Default2.aspx (Source View):

XML

<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" Title="Untitled Page" %>

<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">

MasterPage.master.cs (Code View) :

C#

protected void Page_Load(object sender, EventArgs e)
{
    con.Open();
    SqlDataAdapter da = new SqlDataAdapter("Select *from Day", con);
    DataTable dt = new DataTable();
    da.Fill(dt);
    con.Close();
    GridView1.DataSource = dt;
    GridView1.DataBind();
}
protected void Button9_Click(object sender, EventArgs e)
{
    foreach (GridViewRow gvrow in GridView1.Rows)
    {
        CheckBox chk = (CheckBox)gvrow.FindControl("CheckBox1");
        if (chk != null && chk.Checked)
        {
        
        }
    }
}

Run Default2.aspx page and Checked CheckBox1 then click Button.

But, in MasterPage, all time show Checked=false.
So, How to Check property of CheckBox is True/False Properly based on user in GridView within a Master Page??

Please Solve this Problem...

Properly Describe Below This Link with ScreenShot:

How to Check property of CheckBox Field in GridView within a Master Page??[^]

[Edit member="Tadit"]
Link text added to reflect the Article/QA title.
Corrected formatting issues.
Added pre tags.
[/Edit]

Posted 30-May-14 3:52am

prakashmondal

Updated 30-May-14 4:05am

Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

v5

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Comments

RDBurmon 30-May-14 10:06am

Please explain your problem in short

1 solution

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) · Accepted Answer · 2014-05-30T04:12:00

You should Bind GridView inside !IsPostBack like...

C#

protected void Page_Load(object sender, EventArgs e)
{
    if(!IsPostBack)
    {
        con.Open();
        SqlDataAdapter da = new SqlDataAdapter("Select *from Day", con);
        DataTable dt = new DataTable();
        da.Fill(dt);
        con.Close();
        GridView1.DataSource = dt;
        GridView1.DataBind();
    }
}

Correct this. Then try and let me know.